Pretty long dress from M&S Collection, size 14 (42).
Chiffon outer.
Black with grey abstract floral pattern.
Very small rectangle applique all over. 
High neck at front.
Frill detail to shoulders.
High neck at back with double button fastening at back of neck.
Fully lined - soft black lining.
Full wide skirt.
Thin elasticated waistband.
Casual but classy - can be used for different occasions.
100% Polyester.
Machine washable, can iron.
Length = 127cm (50in) from top of shoulder (front).  128cm (50.25in) from top of back (middle).
Very good condition.